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CDUS45 KTFX 122240
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT FRI SEP 12 2025
...............................
..THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 12 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 237 PM 92 1919 73 8 60
MINIMUM 45 617 AM 29 1949 44 1 50
AVERAGE 63 59 4 55
PRECIPITATION (IN)
TODAY 0.00 0.66 1978 0.04 -0.04 0.16
MONTH TO DATE 0.06 0.55 -0.49 0.79
SINCE OCT 1 11.19 13.98 -2.79 13.84
SINCE JAN 1 10.11 11.70 -1.59 11.74
DEGREE DAYS
HEATING
TODAY 2 7 -5 10
MONTH TO DATE 29 72 -43 28
SINCE SEP 1 29 72 -43 28
SINCE JUL 1 72 186 -114 79
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 26 16 10 43
SINCE SEP 1 26 16 10 43
SINCE JAN 1 325 299 26 367
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 200 AM
LOWEST 26 200 PM
AVERAGE 55
......................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1959
MINIMUM TEMPERATURE (F) 44 27 1915
1921
2016
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 659 AM MDT SUNSET 743 PM MDT
SEPTEMBER 13 2025.....SUNRISE 701 AM MDT SUNSET 741 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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